Power Outages in Mellette County, SD
No live outage feed is available for Mellette County, SD yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 8.7 hours.
Mellette County, SD is served by local tracked utilities.
Mellette County's utilities do not report live data to ODIN, so real-time outage counts aren't available here. The historical record below is complete.
- Heat AdvisoryMODERATE
Mellette County has been under 24 National Weather Service alerts recently — most recently a Heat Advisory on July 18, 2026.
- Heat Advisory ×17
- Red Flag Warning ×7
Hardest-hit cities in Mellette County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Mellette County went about 8.7 hours without power. Peak simultaneous outage on record reached 533 customers.
Worst year here was 2024 (peak 533 customers out) · decade average 6.6 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 9 | 7 | 1.0 |
| 2020 | 8 | 17 | 0.2 |
| 2021 | 8 | 25 | 1.9 |
| 2022 | 13 | 22 | 2.4 |
| 2023 | 18 | 17 | 1.1 |
| 2024 | 46 | 533 | 31.1 |
| 2025 | 62 | 389 | 8.7 |
Relatively Low ice storms exposure · 6.6 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability very high — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Mellette County: FAQ
- How often does Mellette County, SD lose power?
- Based on EAGLE-I records, Mellette County, SD logged 62 distinct outage events in 2025, averaging about 8.7 hours without power per customer over the year.
- What was the worst power outage in Mellette County, SD?
- The largest tracked outage peaked at 533 customers without power, beginning March 30, 2024 and lasting about 5h 30m.
- Is there a power outage in Mellette County, SD right now?
- No major outage is currently reported for Mellette County, SD. Live coverage depends on whether local utilities report to ODIN.
Outages are tracked at the county level; these ZIP codes fall within Mellette County.
57521, 57560, 57579, 57585
Machine-readable data: /api/v1/counties/46095 and /api/v1/counties/46095/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Dakota customers).